Home / 1,059,099.62-1,587,718.11-419,852.40

Finding the Fourth Proportional to 1,059,099.62, 1,587,718.11 and 419,852.40

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Solution

The fourth proportional to 1,059,099.62, 1,587,718.11 and 419,852.40 is: 629,409.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,099.62 : 1,587,718.11 = 419,852.40 : x
  2. Step 2: Convert to fraction form
    1,059,099.62/1,587,718.11 = 419,852.40/x
  3. Step 3: Cross multiply
    1,059,099.62x = 1,587,718.11 × 419,852.40
  4. Step 4: Simplify right side
    1,059,099.62x = 666,607,254,627.47
  5. Step 5: Solve for x
    x = 666,607,254,627.47/1,059,099.62
  6. Step 6: Final answer
    x = 629,409.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.